She called Glenn "the paperboy" because he would give her his already read copy of the paper. She never wanted to spend money on it herself. Oller was so savvy, she gave the Glenns' son stock investing tips, telling him about how she made a 50-percent return on AT&T when it was at a low point.

Secret Millionaire

The sturdy old lady with no formal education amassed a not-so-small fortune: $4.5 million. It was up over $5 million before the recession.

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Before she died, she directed Guy Glenn to spend every cent of it, but not on her, on her home town.

"She wants a swimming pool to be built, that was her main goal," he said.

Mission accomplished. Part of Oller's money will go to building the town's very first indoor swimming pool. The pool was important to Oller because as a poor little girl growing up there it frustrated her that kids often had no place to swim even though they lived on the ocean. But the shoreline can be dangerous in the Pacific Northwestern town. Money will also be set aside for scholarships and grants for local teachers.

"I think we could learn a lot from her," said Andrea Nooman, a nursing home owner.

When Oller died, she didn't want a funeral or even an obit. In fact, she didn't want any credit at all.